import 'package:ref/ref.dart';

List<Map<String, dynamic>> data = [
  {'title': '苹果', 'price': 23},
  {'title': '橘子', 'price': 12},
  {'title': '香蕉', 'price': 56},
  {'title': '西瓜', 'price': 42},
];

var keysInfo = Ref(data);
